Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 419, Issue 1-2, Pages 12-17Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2005.10.020
Keywords
metal matrix composites; mechanical properties; particle reinforcement; ultimate tensile strength; contribution ratio
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The eutectic Al-Si alloy composites reinforced with sub-micron TiB2 particles were successfully fabricated by means of reaction processing method. The TiB2 particles were formed in situ through the reaction of Ti and B bearing salts and Al alloy. The test results showed that the ultimate tensile strength of the composites were higher than that of Al-Si master alloy at the temperature ranging from 25 to 400 degrees C, and the contribution ratio of the particles to the ultimate tensile strength reached its peak value at 260 degrees C, and the mechanism is also discussed in this essay. (c) 2005 Elsevier B.V. All rights reserved.
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